package ch02sl.sl.SL1;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;


import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import java.io.IOException;

public class XMLParse {
    Document doc = null;
    public  void getDocument(){
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        try {
            DocumentBuilder builder = factory.newDocumentBuilder();
            doc = builder.parse("src/test/java/ch02sl/SL1/PhoneInfo.xml");
        } catch (ParserConfigurationException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (SAXException e) {
            e.printStackTrace();
        }
    }
    public  void showInfo() {
        NodeList nodeList = doc.getElementsByTagName("Brand");
        for (int i = 0; i <nodeList.getLength() ; i++) {
            Node brand = nodeList.item(i);
            Element brandEle = (Element) brand;
            String brandStr = brandEle.getAttribute("name");
            NodeList types = brandEle.getChildNodes();
            for (int j = 0; j <types.getLength() ; j++) {
                Node type  = types.item(j);
                if (type.getNodeType() == Node.ELEMENT_NODE){
                    Element typeELe = (Element) type;
                    String typeStr = typeELe.getAttribute("name");
                    System.out.println("手机："+brandStr+typeStr);
                }

            }
        }
    }

    public static void main(String[] args) {
        XMLParse parse = new XMLParse();
        parse.getDocument();
        parse.showInfo();
    }
}
